TY - RPRT TI - Modeling random effects for censored data by a multivariate normal regression model. AU - J P Klein AU - C Pelz AU - M J Zhang PY - 1999 DO - 10.1111/j.0006-341x.1999.00497.x UR - https://pubmed.ncbi.nlm.nih.gov/11318206/ ID - 11318206 ER -